Find Research Output

Search concepts
Selected Filters
2016
6 Citations (Scopus)

Circuit models for Salisbury screens made from unidirectional carbon fiber composite sandwich structures

Riley, E. J., Lenzing, E. H. & Narayanan, R. M., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 982915. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sandwich Structures
Sandwich structures
Carbon Fiber
sandwich structures
Composite Structures
7 Citations (Scopus)

Derivation and validation of the nonlinear radar range equation

Gallagher, K. A., Mazzaro, G. J., Martone, A. F., Sherbondy, K. D. & Narayanan, R. M., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, Vol. 9829. 98290P

Research output: Chapter in Book/Report/Conference proceedingConference contribution

radar range
Radar
derivation
Range of data
radar

Feature analysis for indoor radar target classification

Bufler, T. D. & Narayanan, R. M., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, Vol. 9829. 98290Y

Research output: Chapter in Book/Report/Conference proceedingConference contribution

radar targets
Clutter
Radar
clutter
Radar cross section

Frequency notching effects on GPR imagery while operating in crowded spectrum scenarios

Phelan, B. R., Ressler, M. A., Ranney, K. I., Smith, G. D., Sherbondy, K. D. & Narayanan, R. M., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 982905. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ground penetrating radar systems
imagery
Radar
radar
Scenarios
1 Citation (Scopus)

Instantaneous stepped-frequency, non-linear radar part 2: Experimental confirmation

Ranney, K., Mazzaro, G., Gallagher, K., Martone, A., Sherbondy, K. & Narayanan, R., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 98291P. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Instantaneous Frequency
Pulse compression
Radar
radar
Pulse Compression
2 Citations (Scopus)

Investigation of correlation characteristics for random array collaborative beamforming using noise signals

Alexander, D. B., Narayanan, R. M. & Himed, B., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 98290I. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

beamforming
Beamforming
Geometry
Linear Array
linear arrays
4 Citations (Scopus)

Investigation of target and ground clutter reflections on the correlation between transmitted and received noise signals

Allebach, J. M., Narayanan, R. M. & Himed, B., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 98290J. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

clutter
Clutter
Chirp
Waveform
waveforms
3 Citations (Scopus)

Maximizing harmonic-radar target response: Duty cycle vs. peak power

Mazzaro, G. J., Martone, A. F., Sherbondy, K. D., Gallagher, K. A. & Narayanan, R. M., Jul 7 2016, SoutheastCon 2016. Institute of Electrical and Electronics Engineers Inc., 7506726. (Conference Proceedings - IEEE SOUTHEASTCON; vol. 2016-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar
Transceivers
Transmitters
Antennas
Hardware
4 Citations (Scopus)

Microwave reconstruction method using a circular antenna array cooperating with an internal transmitter

Zhou, H., Narayanan, R. M. & Balasingham, I., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 98290F. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antenna Arrays
antenna arrays
Antenna arrays
Transmitter
transmitters
1 Citation (Scopus)

MIMO radar for through-wall target identification in single and two wall scenarios

Gebhardt, E. T., Narayanan, R. M. & Broderick, S. P., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 98290Z. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

MIMO radar
Target Identification
MIMO (control systems)
Multiple-input multiple-output (MIMO)
Radar
23 Citations (Scopus)

Multistatic micro-doppler radar for determining target orientation and activity classification

Fairchild, D. P. & Narayanan, R. M., Feb 1 2016, In : IEEE Transactions on Aerospace and Electronic Systems. 52, 1, p. 512-521 10 p., 7444065.

Research output: Contribution to journalArticle

Doppler radar
Sensors
Radar
Radar antennas
7 Citations (Scopus)

Multistatic passive coherent location using multilateration techniques

Kaiser, S. A., Christianson, A. J. & Narayanan, R. M., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 982904. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Receiver
receivers
Transmitter
intersections
transmitters
9 Citations (Scopus)

Multistatic radar exploitation of forward scattering nulls

Kaiser, S. A., Christianson, A. J. & Narayanan, R. M., Jun 3 2016, 2016 IEEE Radar Conference, RadarConf 2016. Institute of Electrical and Electronics Engineers Inc., 7485128

Research output: Chapter in Book/Report/Conference proceedingConference contribution

multistatic radar
Forward scattering
forward scattering
exploitation
Radar
3 Citations (Scopus)

Noise radar techniques and progress

Narayanan, R. M., Dec 19 2016, Advanced Ultrawideband Radar: Signals, Targets, and Applications. CRC Press, p. 323-361 39 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Spurious signal noise
radar
2 Citations (Scopus)

Phase responses of harmonics reflected from radio-frequency electronics

Mazzaro, G. J., McGowan, S. F., Gallagher, K. A., Sherbondy, K. D., Martone, A. F. & Narayanan, R. M., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 98290O. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

phase response
radio frequencies
Radar
Electronic equipment
Harmonic
3 Citations (Scopus)

Radar ambiguity functions and resolution characteristics of Sudoku-based waveforms

Narayanan, R. M., Bufler, T. D. & Leshchinskiy, B., Jun 3 2016, 2016 IEEE Radar Conference, RadarConf 2016. Institute of Electrical and Electronics Engineers Inc., 7485192

Research output: Chapter in Book/Report/Conference proceedingConference contribution

ambiguity
radar
waveforms
Radar
MIMO (control systems)
14 Citations (Scopus)

Radar classification of indoor targets using support vector machines

Bufler, T. D. & Narayanan, R. M., Jan 1 2016, In : IET Radar, Sonar and Navigation. 10, 8, p. 1468-1476 9 p.

Research output: Contribution to journalArticle

Support vector machines
Radar
Polarization
Radar cross section
Finite difference time domain method
9 Citations (Scopus)

Radar micro-Doppler based human activity classification for indoor and outdoor environments

Zenaldin, M. & Narayanan, R. M., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 98291B. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Doppler
Radar
radar
foliage
Motion
4 Citations (Scopus)

Ultrawideband noise radar tomography: Principles, simulation, and experimental validation

Shin, H. J., Narayanan, R. M., Asmuth, M. A. & Rangaswamy, M., Jan 1 2016, In : International Journal of Microwave Science and Technology. 2016, 5787895.

Research output: Contribution to journalArticle

Spurious signal noise
Ultra-wideband (UWB)
Tomography
radar
tomography
4 Citations (Scopus)

Waveform design for cognitive radar: Target detection in heavy clutter

Kirk, B. H., Narayanan, R. M., Martone, A. F. & Sherbondy, K. D., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 98290Q. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar clutter
radar targets
Target Detection
clutter
Clutter
2015
10 Citations (Scopus)

Adaptable bandwidth for harmonic step-frequency radar

Martone, A. F., Gallagher, K. A., Sherbondy, K. D., Ranney, K. I., Dogaru, T. V., Mazzaro, G. J. & Narayanan, R. M., Jan 1 2015, In : International Journal of Antennas and Propagation. 2015, 808093.

Research output: Contribution to journalArticle

Radar
Bandwidth
Radio interference
17 Citations (Scopus)

Application of radar to remote patient monitoring and eldercare

Ahmad, F., Narayanan, R. M. & Schreurs, D., Feb 1 2015, In : IET Radar, Sonar and Navigation. 9, 2, 1 p.

Research output: Contribution to journalEditorial

Remote patient monitoring
Radar
3 Citations (Scopus)

Bistatic and multistatic target identification for through-wall radar imaging

Allebach, J. M., Narayanan, R. M., Hoe, B. & Broderick, S. P., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, Vol. 9461. 94610G

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Target Identification
imaging radar
Radar Imaging
Radar imaging
clutter
4 Citations (Scopus)

Characterization of radar cross section of carbon fiber composite materials

Riley, E. J., Lenzing, E. H. & Narayanan, R. M., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, Vol. 9461. 946103

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar Cross Section
radar cross sections
Radar cross section
Carbon Fiber
fiber composites
2 Citations (Scopus)

Compressive sensing based image reconstruction for synthetic aperture radar using discrete cosine transform and noiselets

Kim, T. H. & Narayanan, R. M., Oct 9 2015, 2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015. Molnar, K. & Herencsar, N. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 582-586 5 p. 7296330. (2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Discrete cosine transforms
Synthetic aperture radar
Image reconstruction
Compressed sensing
Sampling
1 Citation (Scopus)

Current Research in Micro-Doppler: Editorial for the Special Issue on Micro-Doppler

Tahmoush, D., Ling, H., Stanković, L., Thayaparan, T. & Narayanan, R., Dec 1 2015, In : IET Radar, Sonar and Navigation. 9, 9, p. 1137-1139 3 p.

Research output: Contribution to journalEditorial

2 Citations (Scopus)

Design and implementation of a noise radar tomographic system

Asmuth, M. A., Shin, H. J., Narayanan, R. M. & Rangaswamy, M., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, 94610W. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9461).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar systems
Ultra-wideband (UWB)
Waveform
Radar
radar

Diagnosis of edema and inflammation in human intestines using ultrawideband radar

Smith, S., Narayanan, R. M. & Messaris, E., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, Vol. 9461. 946118

Research output: Chapter in Book/Report/Conference proceedingConference contribution

edema
intestines
Inflammation
Ultra-wideband (UWB)
Radar
4 Citations (Scopus)

Features associated with radar micro-Doppler signatures of various human activities

Zenaldin, M. & Narayanan, R. M., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, 94611D. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9461).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Doppler
Radar
radar
Signature
signatures
6 Citations (Scopus)

Filter selection for a harmonic radar

Gallagher, K. A., Mazzaro, G. J., Martone, A. F., Sherbondy, K. D. & Narayanan, R. M., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, Vol. 9461. 94610A

Research output: Chapter in Book/Report/Conference proceedingConference contribution

low pass filters
Low-pass Filter
Low pass filters
Radar
radar
5 Citations (Scopus)

Instantaneous, stepped-frequency, nonlinear radar

Ranney, K., Gallagher, K., Martone, A., Mazzaro, G., Sherbondy, K. & Narayanan, R. M., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, 946122. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9461).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Instantaneous Frequency
Radar
radar
Modulation
Target
15 Citations (Scopus)

Moving target indication with non-linear radar

Gallagher, K. A., Narayanan, R. M., Mazzaro, G. J., Ranney, K. I., Martone, A. F. & Sherbondy, K. D., Jun 22 2015, In : IEEE National Radar Conference - Proceedings. 2015-June, June, p. 1428-1433 6 p., 7131219.

Research output: Contribution to journalConference article

Radar systems
Signal processing
Radar
13 Citations (Scopus)

Nonlinear synthetic aperture radar imaging using a harmonic radar

Gallagher, K. A., Mazzaro, G. J., Ranney, K. I., Nguyen, L. H., Martone, A. F., Sherbondy, K. D. & Narayanan, R. M., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, Vol. 9461. 946109

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar Imaging
Radar imaging
Synthetic Aperture
synthetic aperture radar
Synthetic aperture radar
98 Citations (Scopus)

On the Opportunities and Challenges in Microwave Medical Sensing and Imaging

Chandra, R., Zhou, H., Balasingham, I. & Narayanan, R. M., Jul 1 2015, In : IEEE Transactions on Biomedical Engineering. 62, 7, p. 1667-1682 16 p., 7109120.

Research output: Contribution to journalReview article

Microwaves
Imaging techniques
Costs
Positron emission tomography
Health risks
8 Citations (Scopus)

Performance analysis of spectrally versatile forward-looking ground-penetrating radar for detection of concealed targets

Phelan, B. R., Ressler, M. A., Ranney, K. I., Smith, G. D., Kirose, G. A., Sherbondy, K. D. & Narayanan, R. M., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, Vol. 9461. 94610J

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ground Penetrating Radar
ground penetrating radar
Research laboratories
Performance Analysis
Radar
2 Citations (Scopus)

Principle and experimental results of ultra-wideband noise radar imaging of a cylindrical conducting object using diffraction tomography

Shin, H. J., Asmuth, M. A., Narayanan, R. M. & Rangaswamy, M., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, 94610V. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9461).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

imaging radar
Radar Imaging
Radar imaging
Tomography
Image reconstruction
34 Citations (Scopus)

Radar micro-Doppler signatures of various human activities

Narayanan, R. M. & Zenaldin, M., Dec 1 2015, In : IET Radar, Sonar and Navigation. 9, 9, p. 1205-1215 11 p.

Research output: Contribution to journalArticle

Radar
Classifiers
Detectors
5 Citations (Scopus)

Radar signatures of furniture elements

Bufler, T. D., Narayanan, R. M. & Dogaru, T., Jan 1 2015, In : IEEE Transactions on Aerospace and Electronic Systems. 51, 1, p. 521-535 15 p., 7073510.

Research output: Contribution to journalArticle

Radar cross section
Radar
Radar systems
Electric network analyzers
Depolarization
2 Citations (Scopus)

Range detection using entangled optical photons

Brandsema, M., Narayanan, R. M. & Lanzagorta, M., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, 946111. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9461).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Photon
Radar
Photons
radar
photons
1 Citation (Scopus)

Recent experiments using the ARL Rail-SAR

Ranney, K., Phelan, B., Kirose, G., Sherbondy, K., Dogaru, T. & Narayanan, R., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, 94610L. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9461).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Synthetic Aperture
rails
synthetic aperture radar
Synthetic aperture radar
Radar
7 Citations (Scopus)

Short-range harmonic radar: Chirp waveform, electronic targets

Mazzaro, G. J., Gallagher, K. A., Martone, A. F., Sherbondy, K. D. & Narayanan, R. M., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, 946108. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9461).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chirp
chirp
Waveform
Radar
radar
1 Citation (Scopus)

Simulations of tomographic imaging of various target scenarios using noise waveforms

Shin, H. J., Narayanan, R. M. & Rangaswamy, M., Jun 22 2015, In : IEEE National Radar Conference - Proceedings. 2015-June, June, p. 963-968 6 p., 7131134.

Research output: Contribution to journalConference article

Ultra-wideband (UWB)
Image quality
Tomography
Diffraction
Pixels
3 Citations (Scopus)

Source geolocation in urban environments using multipath fingerprinting

Narayanan, R. M., Phelan, B. R. & Lenzing, E. H., Jan 1 2015, In : International Journal of Antennas and Propagation. 2015, 453157.

Research output: Contribution to journalArticle

Transmitters
Ray tracing
Global system for mobile communications
Communication
Time difference of arrival
12 Citations (Scopus)

Sparsity-based signal processing for noise radar imaging

Astry, M., Narayanan, R. M. & Rangaswamy, M., Jan 1 2015, In : IEEE Transactions on Aerospace and Electronic Systems. 51, 1, p. 314-325 12 p., 7073494.

Research output: Contribution to journalArticle

Radar imaging
Radar systems
Signal processing
Ultra-wideband (UWB)
Imaging systems
3 Citations (Scopus)

SVM based target classification using RCS feature vectors

Bufler, T. D., Narayanan, R. M. & Dogaru, T., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, 94610I. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9461).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar Cross Section
radar cross sections
Radar cross section
clutter
Clutter
2 Citations (Scopus)

Wideband imaging of concealed objects using compressive radar holography

Wilson, S. A., Narayanan, R. M. & Rangaswamy, M., Jun 22 2015, In : IEEE National Radar Conference - Proceedings. 2015-June, June, p. 925-930 6 p., 7131127.

Research output: Contribution to journalConference article

Holography
Image reconstruction
Radar
Bearings (structural)
Sampling
2014
9 Citations (Scopus)
foliage
Radar systems
radar
waveforms
penetration
2 Citations (Scopus)

Analysis of the tolerance of compressive noise radar systems to multiplicative perturbations

Shastry, M. C., Narayanan, R. M. & Rangaswamy, M., Jan 1 2014, Compressive Sensing III. Ahmad, F. (ed.). SPIE, 910905. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9109).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar systems
Radar
Linear systems
Tolerance
radar

A thresholding scheme for target detection for noise radar systems based on random matrix theory

Kwon, Y., Narayanan, R. M. & Rangaswamy, M., Jan 1 2014, 2014 IEEE Radar Conference: From Sensing to Information, RadarCon 2014. Institute of Electrical and Electronics Engineers Inc., p. 692-695 4 p. 6875679. (IEEE National Radar Conference - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar systems
Target tracking
Receiving antennas
6 Citations (Scopus)

Automated cancellation of harmonics using feed-forward filter reflection for radar transmitter linearization

Gallagher, K. A., Mazzaro, G. J., Narayanan, R. M., Sherbondy, K. D. & Martone, A. F., Jan 1 2014, Radar Sensor Technology XVIII. SPIE, 907703. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9077).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

radar transmitters
Radar transmitters
linearization
Feedforward
Cancellation